Science Grade 1. Sound

We hear sounds when they enter our ...

• Ear

• Eyes

• Mouth

Our ... help us understand what is happening around us.

• Brain

• Ear

• Eyes

When sounds enter our ears, messages are sent to our ...

• Brain

• Eyes

• Ears

... make sounds.

• Only living things

• Only non-living things

• Both living and non-living things

Anything that makes sound is called ...

• sound source

• sound supply

• senses

Non-living things that make sounds ..

• People

• Animal

• Vehicles

Which one is not true about loud sounds?

• We can not hear loud sound far away

• Loud sounds may harm our ears

• Someone screaming for help

Some sounds are soft. Such as ...

• A clock ticking

• A worker drilling into the ground

• Glass breaking

A sound become ... as it travels away from is source.

• louder

• softer

• higher

Some sounds are high. Such as ...

• A cow mooing

• A whistle blowing

• A train rumbling